Mosher, Arthur T., author
Serving agriculture as an administrator
Agricultural Development Council, 1975
 Buku Teks
Schultz, Theodore W.
Agriculture in an ucstable economy / Theodore W. Schultz
McGraw-Hill , 1945
 Buku Teks
Briggs, David J., author
Agriculture and environment: the physical geography of temperature agriculture systems
Longman Scientific & Technical, 1994
 Buku Teks
Jaleel Ahmad, author
The Expert and the administrator
University of Pittsburgh, 1959
 Buku Teks
Hokanson, Clifford M., author
Applied problems in mathematics for agriculture
Interstate Printers, 1984
 Buku Teks
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